LG WD-1486ADP3 Service Manual ▷ View online
Is the resistance of the
T hermis tor
out of range
2.5~180K • at 105~0°C ?
Disassemble the
C abinet cover
and
C ondens ing
B ellows
.
Is there any foreign object in
C ondens ing B ellows
?
Disassemble the
Dry F an A s s y
and
Dry Duct Upper
,
and clean foreign object in
Duct and F an
.
Is the
C onnector
connected correctly to
the
Main P C B
and the
Dry Heater
or
F an Motor
?
Or is the
Harnes s
alright?
R econnect or repair the
C onnector
.
Or replace the
Harnes s
.
R eplace the
T hermis tor
.
C lean the
B ellows
.
Y E S
NO
C heck for
Dry Heater
trouble.
P age 24
C heck for
Dry F an Motor
trouble.
P age 25
Dry Heater Error (dHE)
Y E S
Y E S
NO
NO
Y E S
Y E S
29
Is
Thermostat
closed ?
After power off, is the resistance of
Dry Heater
out of
range
33~37
Ω?
Replace the
Dry Heater
.
Dry Heater Trouble
YES
YES
NO
Replace the
Thermostat
.
NO
Replace the
PWB assembly (main)
.
NO
When checking voltage between
connectors(1,2)
on drying, is the voltage AC
220-240V as the figure ?
1
2
2
30
Are the resistance same between
terminal
points?
V~U / U~W / W~V : 2~5
Is the
C onnector
connected correctly to
the
Main P C B
and the
Dry Heater
or
Fan Motor
?
Or is the
Harnes s
alright?
R econnect or repair the
C onnector
.
Or replace the
Harnes s
.
R eplace the
Dry Fan Motor
.
When checking voltage between
connectors (1,2)
on drying, is the voltage DC 20~30V as the figure ?
Dry Fan Motor Trouble
Y E S
Y E S
NO
NO
R eplace the
P WB as s embly
(main)
.
NO
V U W
1
2
31
No Power
Is the P ower P lug connected
firmly to the power outlet?
And is the supply voltage
220~240V AC ?
firmly to the power outlet?
And is the supply voltage
220~240V AC ?
Is
R ed L E D ON
while power supplied ?
Is Multi-plug socket used ?
NO
NO
NO
Y E S
Y E S
Y E S
NO
Is the connectors connected
C orrectly to the Display
P C B ?
C orrectly to the Display
P C B ?
Is the
C onnector
connected correctly to
the
Main P C B
and the
Nois e F ilter
?
Or is the
Harnes s
alright ?
Nois e F ilter
Main P C B
P C B
R econnect
P ower P lug
firmly.
C heck the fuse or
reset the circuit breaker.
reset the circuit breaker.
Don’t use
Multi-plug
socket.
Use
S ingle P lug
socket for
washing machine.
Y E S
Y E S
R econnect or repair the
C onnector
.
Or replace the
Harnes s
.
C heck connectors otherwise.
R eplace
R eplace
Dis play P C B
.
C heck and replace
Main P C B
.
8. T R OUB LE S HOOT ING WIT HOUT E R R OR C ODE S
32
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